/* common style*/
body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    clear: both;
    background: #f5f5f5;
    min-width: 800px;
    color: rgba(0, 0, 0, .87);
}

a {
    text-decoration: none;
    color: rgba(0, 0, 0, .87);
}

a:hover {

}

a:active {
}

li {
    list-style: none;
}

/* the nav header and sidebar*/
.nav-header {
    display: table;
    position: fixed;
    top: 0;
    height: 55px;
    min-width: 800px;
    margin: 0;
    color: rgba(0, 0, 0, .87);
    width: 100%;
    background: #f5f5f5;
    border-bottom: 1px solid #BDBDBD;
}

.nav-header-left {
    float: left;
}

.nav-header-left a {
    color: rgba(0, 0, 0, .87);
    font-size: 20px;
    line-height: 55px;
    padding-left: 16px;
}

.nav-header-right ul {
    float: right;
    margin: 0;
    padding: 0;
    padding: 0 16px 0 0;
}

.nav-header-right ul li {
    float: left;
    list-style: none;
    line-height: 55px;
    padding: 0px 16px;
}

.nav-sidebar {
    float: left;
    padding: 0;
    margin: 55px 0 0 0;
    box-sizing: border-box;
    background: #f5f5f5;
    width: 200px;
}

.nav-sidebar li {
    padding: 8px 16px;
    border-bottom: 1px solid rgba(0, 0, 0, .21);
}

.nav-sidebar li a {
    color: rgba(0, 0, 0, .87);
}

.container {
    float: right;
    margin-top: 55px;
    padding: 10px;
    width: calc(100% - 200px);
    background: #ffffff;
    box-sizing: border-box;
    border-left: 1px solid rgba(0, 0, 0, .21);
    border-bottom: 1px solid rgba(0, 0, 0, .21)
}